Rotary engine.



PATENTED SEPT. 10, 1907 s. s. SADORUS.

ROTARY ENGINE. APPLICATION IILED APR.19.1907.

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- INVENTOR SAMUEL 5- EAU URUS W/TNESSES ATTORNEYS PATENTEDSEPT. 10,1907.

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' ATTORNEYS v 8. s. SADORUS. ROTARY ENGINE.

APPLICATION FILED APB..19.190'1.

WITNESSES No. 865,804. PATENTED SEPT. 10,1907. s. s. SADORUS. ROTARYENGINE;

APPLICATION FILED APR.19.1907.

W/TNE INVENTOH Arromvys THE NORRIS PETERS co., WASHINGTON, n. c.

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SAMUEL 5.8

UNITED STATES PATENT oEEroE.

SAMUEL S. SADORUS, OF SARILDA, IDAHO.

ROTARY ENGINE.

Specification of Letters Patent.

Patented Sept. 10, 1907.

Application filed April 19, 1907. Serial No. 359,124.

binations of parts as will be hereinafter described and claimed.

In the drawings, Figure l is a side view, and Fig. 2 is a vertical crosssection on about line 2-2 of Fig. 1. Fig. 3 is a detail sectional viewshowing one of the abutments in connection with one of the plates of thepiston. Fig. 4 is an enlarged section partly broken away showing thevalve mechanism and drawn on the same line as Fig. 2. Fig. 5 is a detailcross section on about line 5-5 of Fig. 2. Fig. 6 is a detail crosssection on about line 6 6 of Fig. 4. Fig. 7 is a cross section on aboutline 77 of Fig. 4. Fig. 8 is a detail view illustrating the connectionbetween the valve plates and the means for operating and adjusting thesame. Fig. 9 is a sectional view showing a somewhat differentconstruction whereby to especially adapt the engine for use withgasolene.

, The engine piston A and the abutments B within the casing C may besubstantially like those shown in my former patent No. 838,460, datedDecember 11, 1906. In my present engine, I employ a steam pipe D havingbranches D and D for conducting the steam to the diametrically oppositeinlets d and e. The pipe D may have a suitable throttle d, and valvesareprovided for cutting off the steam at the islets so that after the steamhas been admitted to the casing the supplyof steam may be cut off sothat the steam which has been admitted can operate expansively, thussecuring the benefit of the expansion of the steam, and I also make thecut-off valves in two parts in the form of disks overlying each otherand having openings which may be adjusted into full register orpartially out of register in order to control the amount of steam fed tothe engine, and I adjust these valve plates relatively by mechanismwhich will be presently described, operated from the piston of themachine, so that the feed of steam may be regulated by the speed of theengine.

As shown, the casing G is provided with lateral Wings 0 and 0 whosefaces are recessed at C and C to receive the cut-off valves, and coverplates G and G are may be adjusted into full register, or partially, orentirely, out of register by the operation of the devices presentlydescribed, said disks operating across their respective inlets a and dand the openings in the valve plates being in position to register atintervals with the said inlets, as will be understood from the drawings.

The cut-off valves are operated from the main shaft H of the enginethrough the gear H and the pinion H the latter being secured upon theshaft I, whereby the cut-off valve will be operated in correspondence tothe speed of the engine, as more fully described I hereinafter.

The valve shaft I is made in sections fitting one within the other, themain section I being tubular and having its bore enlarged at its ends atI and I to receive the spiral sleeves J and J, which are mounted uponthe tube K which is movable longitudinally within the main section I ofthe shaft I, and has a square or other noncircular bore in which fitsthe rod L, which forms a connection for the governor arms to enable theoperation of the tube K which carries the spiral sleeves, as more fullydescribed hereinafter. The main valve sections F and F are keyed uponthe ends of the main shaft section I in the manner best illustrated inFig. 8, in which the said valve plates are shown as having centralrectangular openings fitting over correspondingly angular portions atthe ends of the shaft section K, so that these valve plates F and Grturn positively with the shaft section I and have no turning movementindependent of the said shaft. The tube J it will be noticed is keyedwithin the shaft section I, so it turns therewith but may movelongitudinally within the shaft section I, and it is provided at itsends with the spiral portions J and J, which turning in spiral bearingsin the valve plates G and G, operate to give the said valve plates G andG a turning movement independent of the revolution of said plates withtheir mating valve plates F and F, which latter turn only with the shaftsection I i For convenience in assembling the parts, the spiral portion.T may be integral with the lower end of the tube K or suitably securedthereto, and the upper end of the tube K is preferably threaded as bestshown in Figs. 2 and 4, and the spiral portion J is screwed down thereonto proper position, so it may operate within the threaded bearing of thevalve plate G in the use of the invention. A governor is provided formoving the tube K longitudinally within the shaft section I, incorrespondenceto the speed of the engine. As shown, the governor hasballs M connected by arms M with the upper end of the tube K through themedium of the threaded portion .I, and also having arms M connected witha suitable support, shown as the rod L extending through the valveoperating shaft and suitably stepped at its lower end as shown in Fig.2.

In the operation of the described construction, it will be noticed thatas the engine begins to speed, the

" relatively to their respective valve plates F and F,

balls M moving outwardly under the impulse of the speed of the engine,will tend to lift the tube K within the valve operating shaft, andthrough the spirals on the portions J and .l shift the valve plates Gand G in such manner as to control and regulate the passage of steam tothe engine, and cause the same to slow down, and as the engine slowsdown, the governor will permit the parts to readjust to feed more steamuntil the desired balance is secured, which will be maintained in theoperation of the engine.

In Fig. 9, the disks 1 and 2 are made to reach to the steam inlets asshown in the said figure, so that in case it is desired to use theengine with gasolene, the disks may be arranged to revolve just outsideof the space for the operation of the fluid power in order that the gasmay explode in order to secure the desired action of the fluid pressureupon the piston.

I claim:

1. The improvement in rotary engines herein described, comprising thepiston and its shaft, a casing having a lateral wing and an inlet, acover plate fitting over said wing, a cut-off valve turning between saidcover plate and wing, and having openings movable into and out ofregister with the inlet, whereby to admit and cut-off steam, a shaft foroperating said cut-olf valve and gearing between the said shaft and thepiston shaft, substantially as set forth.

2. The combination of the casing, having an inlet, the piston and itsshaft, and a lateral extension from the casing, comprising a wing and acover plate thereon, a cut-off valve operating between the wing andcover plate and having an opening moving in register with the inlet topermit the passage of steam from the inlet to the piston, andintermediate devices between said cut-off valve and the piston shaft,whereby the latter may operate the valve, substantially as set forth.

3. The combination of the casing having an inlet, and a laterallyextending wing, a cover plate fitting over said wing, a cut-01f valvebetween the said wing and'cover plate, and having an opening near itsrim for the passage of steam from the inlet to the piston, a valve shaftkeyed to the valve and gearing between said valve shaft and the engineshaft, substantially as set forth.

4. The combination of the casing, having the diametrically oppositeinlets and a pipe connecting the same, the piston in the casing, thecutoff valves operating .across the inlets and perforated in registertherewith, a valve shaft connected with said valves, and gearing betweenthe valve shaft and the engine shaft, substantially as set forth.

5. An engine having a casing, a piston therein, and an inlet for thepassage of steam to the piston, combined with a cut-off valvecontrolling said inlet and composed of a main plate and a shiftingplate, a valve shaft for turning the main plate, a spiral shaft engagedwith the shifting plate and turning with and movable longitudinallyindependent of the valve shaft, and a governor for effecting theindependent movement of the special shaft whereby to adjust the samerelative to the valve shaft, substantially as set forth.

6. The combination in an engine, of the casing having the diametricallyopposite inlets, the piston in said casing, the valves controlling saidinlets and composed each of two plates, a valve shaft whereby to turnboth said plates, a governor whereby to turn one of the plates of eachpair independently of the other, whereby it may be adjusted relativelythereto, and means for operating the valve shaft from the piston,substantially as set forth.

7. The combination with the engine casing, a piston and shaft, thecasing having the opposite inlets, of valves controlling the inlets andcomposed each of two plates, a valve shaft driven from the engine shaftand arranged to turn both of the plates of each valve, and a governoroperated from the valve shaft, and means operated by the governorwhereby to shift one of the plates of each valve relative to its mating.plate, substantially as set forth.

8. The combination in an engine, with the casing having the inlets, thepiston and the engine shaft, of the valve shaft geared with the engineshaft and having a main section, a tubular section turning with andmovable longitudinally within the main section, and provided with spiralportions, a rod within and turning with said tubular portion, a governorconnected with said inner rod and the tubular portion, and valves havingplates arranged in pairs, one of the plates of each pair being keyed toand turning with the main shaft section, and the other plate of eachpair being mounted on and arranged for operation by the spiral portionsof the tubular section of the valve shaft, substantially as set forth.

9. A rotary engine having a casing, a piston, and an engine shaft, incombination with a cut-0E valve, composed of two plates, avalve shaftgeared with the engine shaft and having a fixed relation with one of thevalve plates to turn the same positively, a spiral moving within thevalve shaft and engaged with the other valve plate to operate the samerelatively to that fixed to the valve shaft, and means for automaticallyshifting the spiral, substantially as set forth.

10. The combination in an engine, with the casing having an inlet, of avalve controlling said inlet and consist ing of a main plate, and ashifting plate, a valve shaft held to the main plate for turning thesame, and a spiral.

turning with and movable longitudinally in the valve shaft, and engagedwith the shifting plate for adjusting the same relatively to the plateheld to the valve shaft, and means for moving the said spirallongitudinally, substantially as set forth.

11. The combination with the engine casing having the opposite inlets,of an engine shaft having a tubular main section, valve plates fittingon the opposite ends of and keyed to said main section, shifting valveplates mating with said first named valve plates, and means for shiftingsaid shifting valve plates, comprising spirals engaging therewith, aconnection between said spirals extend ing through the main shaftsection, and a governor for moving said spirals and connecting portionendwise within the main shaft section, substantially as set forth.

SAMUEL S. SADORUS.

Witnesses H. G. FULLER, Tnnnnsa S. Bnnsrrniins.

